Universal expansion joint with three or more arches

 
Design: Highly elastic, hydrodynamic, triple or more arched ­rubber bellows with full faced rubber flanges and backing flanges with support collar Optionally with vacuum support rings and/or pressure ­support rings in the arch trough
 
Nominal diameters: NB 100 to NB 4000, intermediate sizes possible
 
Installation length/ Arches: Standard LE = 650 with 3 arches, type U130A  Standard LE = 850 with 4 arches, type U140A  Standard LE =1050 with 5 arches, type U150A Other installation lengths on request
 
Pressure: Depending on the nominal diameter up to 6 bar Vacuum not allowed without vacuum support rings, with vacuum support rings up to 0.05 bar absolute. Design in accordance with Pressure Equipment Directive PED
 
Movement: For extremely large axial, lateral and angular movements
 
Application:
 
Cooling water systems, desalination plants, drinking water supply, plant construction, e. g. in pipelines, on pumps, as dismantling joints, on condensers and vessels